Crop
Nnotated| 0bject | Sh2-274 Planetary nebula in Gemini (Medusa Nebula, Abell 21) & NGC 2395 |
| Date | April 29, 2022 |
| Exposure | OSC |
| Camera | ZWO ASI294MC Pro with Optolong L-Extreme Filter |
| Telescope | FSQ 106 f/5 on AP900GTO CP3 |
| Guiding | Orion 50mm guide scope with ASI120MC |
| Processing | MaximDL, Photoshop CS6, Astronomy Tools, Topaz Denoise AI |
| Comments | Moderate seeing; acquired with MaximDL from Oro Valley |
| 0bject | Sh2-274 Medusa planetary nebula in Gemini (aka Abell 21, PK 205+14.1) |
| Date | January 30 - February 11, 2012 |
| Exposure | HαLRGB 480:15:15:15:15 (cropped; R = Hα/Red 60/40) |
| Camera | STL11000M with AstroDon Gen II filters |
| Telescope | ASA 10N f/3.7 on AP900GTO CP3 |
| Guiding | External guide head with 50mm MiniBorg |
| Processing | MaximDL, Photoshop CS5, GradientXterminator, AstroActions |
| Comments | Cold; Hα collected during waxing moon; NGC 2395 at upper right; acquired w/CCD Commander |